Gustation, olfaction, and deglutition

Document Type

Article

Publication Date

1-1-2013

Abstract

Interactions occur between the chemical senses and swallowing, in particular retronasal and orthonasal olfaction, as well as gustatory and trigeminal factors. The swallow is impacted differentially by mixed sensory stimuli, including the addition of visual stimuli, and manipulation of bolus taste and temperature. Studies have investigated the impact of these sensory manipulations on the disordered swallow, particularly for disorders of the pharyngeal stage. A variety of populations with swallowing disorders have responded to treatments using chemosensory stimulation. However, it remains unclear whether the key facilitator for improvement of the disordered swallow is olfactory, gustatory, or trigeminal. A combination of stimuli seems to be indicated.

Publication Title

Principles of Deglutition: A Multidisciplinary Text for Swallowing and its Disorders

First Page Number

19

Last Page Number

24

DOI

10.1007/978-1-4614-3794-9_2

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